Bed frame



FIG. 1 is a perspective view of a bed frame showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a left end elevational view;

FIG. 4 is a right end elevational view;

FIG. 5 is a top plan view; and,

FIG. 6 is a perspective view, showing a second embodiment of my new design. 

The ornamental design for a bed frame, as shown and described. 